Trucking company owner Mike Collins, one of seven Republicans looking to succeed Rep. Paul Broun, R-Ga., debuted Wednesday a biographical spot to introduce himself to voters less than one month from the primary.

According to a copy of the ad shared first with CQ Roll Call, Collins touts his business experience in the open-seat race in Georgia's 10th District. The ad also features his father, former Rep. Mac Collins, a Republican who served from 1993 to 2005; he appears at the end of the spot wearing a black cowboy hat and his member pin.

"At 15 he overhauled his first engine, by 25 he bought his first truck. Today Mike Collins is a successful businessman with a whole fleet of trucks," a narrator says in the ad. "Mike believes Washington needs an overhaul."

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The ad will air on cable through the May 20 primary.

Broun is running for Senate, leaving a wide-open race for his district, which includes parts of the Atlanta suburbs and stretches southeast into the rural exurbs toward Augusta.

Other candidates in the race include state Rep. Donna Sheldon, Baptist Pastor and radio show host Jody Hice, tea party activist Brian Slowinski and retired Army officer Stephen Simpson, among others. If no candidate receives a majority of the vote in the May primary, the race will head to a July 22 runoff.

Collins raised $61,000 in the first quarter of this year, and ended March with $214,000 cash on hand. Sheldon raised $83,000 and ended March with $128,000 in the bank. Hice reported raising $90,000 in the first three months of the year, and had $47,000 in the bank as of March 31.